Need advice guys and girls?

need advice, what should a girl do that is a married woman and its like there’s someone a married guy showing that he might likes her or have a crush on her even she is married but showing signs and obvious signs that he might like her even he knows that she is married and both taken specially at workplace situation, what a good advice without being rude towards the guy specially at work being proffesional and being nice around people
Need advice guys and girls?
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